This electronic component has been designed and developed for usage in general electronic equipment only. This product is not authorized for use in equipment where a higher safety standard and reliability standard is especially required or where a failure of the product is reasonably expected to cause severe personal injury or death, unless the parties have executed an agreement specifically governing such use.
Moreover Würth Elektronik eiSos GmbH & Co KG products are neither designed nor intended for use in areas such as military, aerospace, aviation, nuclear control, submarine, transportation (automotive control, train control, ship control), transportation signal, disaster prevention, medical, public information network etc.. Würth Elektronik eiSos GmbH & Co KG must be informed about the intent of such usage before
the design-in stage. In addition, sufficient reliability evaluation checks for safety must be performed on every electronic component which is used in electrical circuits that require high safety and reliability functions or performance.
Component Marking:
Print
1 Line
st
Description
Capacitance value: 2700 µF & Rated voltage: 25 V (DC)
WCAP-ATLL & max. operating temperature +105°C
Datecode: YWW
VENT marking
2 Line
nd
rd
3 Line
4
th
Line
D2 Multiplier for Ripple Current vs. Frequency:
C [µF]/ Frequency [Hz]
C ≤ 10
10 < C ≤ 100
100 < C ≤ 1000
1000 < C
120
0.47
0.52
0.58
0.63
400
0.59
0.62
0.72
0.78
1000
0.85
0.89
0.90
0.91
10000
0.97
0.97
0.98
0.98
100000
1.00
1.00
1.00
1.00
DESCRIPTION
1.0
REV
2014-11-11
DATE
SSt
BY
PSL
CHECKED
Würth Elektronik eiSos GmbH & Co. KG
EMC & Inductive Solutions
Max-Eyth-Str. 1
74638 Waldenburg
Germany
Tel. +49 (0) 79 42 945 - 0
www.we-online.com
eiSos@we-online.com
WCAP-ATLL Aluminum Electrolytic
Capacitors
Order.- No.
SIZE
A4
860160478035
Size: 13.0 x 35.0
This electronic component has been designed and developed for usage in general electronic equipment only. This product is not authorized for use in equipment where a higher safety standard and reliability standard is especially required or where a failure of the product is reasonably expected to cause severe personal injury or death, unless the parties have executed an agreement specifically governing such use.
Moreover Würth Elektronik eiSos GmbH & Co KG products are neither designed nor intended for use in areas such as military, aerospace, aviation, nuclear control, submarine, transportation (automotive control, train control, ship control), transportation signal, disaster prevention, medical, public information network etc.. Würth Elektronik eiSos GmbH & Co KG must be informed about the intent of such usage before
the design-in stage. In addition, sufficient reliability evaluation checks for safety must be performed on every electronic component which is used in electrical circuits that require high safety and reliability functions or performance.
H Soldering Specifications:
H4: Classification Wave Soldering Profile:
H5: Classification Wave Profile
Profile Feature
Preheat
- Temperature Min (Tsmin)
- Temperature Typical (Tstypical)
- Temperature Max (Tsmax)
- Time (ts) from (Tsmin to Tsmax)
Δ preheat to max Temperature
Peak temperature (Tp)
Time of actual peak temperature (tp)
Ramp-down rate
- Min
- Typical
- Max
Time 25°C to 25°C
refer to EN 61760-1:2006
Pb-Free Assembly
100°C
120°C
130°C
70 seconds
150°C max.
250°C - 260°C
max. 10 seconds
max. 5 second each wave
~ 2 K/s
~ 3.5 K/s
~ 5 K/s
4 minutes
Sn-Pb Assembly
100°C
120°C
130°C
70 seconds
150°C max.
235°C - 260°C
max. 10 seconds
max. 5 second each wave
~ 2 K/s
~ 3.5 K/s
~ 5 K/s
4 minutes
DESCRIPTION
1.0
REV
2014-11-11
DATE
SSt
BY
PSL
CHECKED
Würth Elektronik eiSos GmbH & Co. KG
EMC & Inductive Solutions
Max-Eyth-Str. 1
74638 Waldenburg
Germany
Tel. +49 (0) 79 42 945 - 0
www.we-online.com
eiSos@we-online.com
WCAP-ATLL Aluminum Electrolytic
Capacitors
Order.- No.
SIZE
A4
860160478035
Size: 13.0 x 35.0
This electronic component has been designed and developed for usage in general electronic equipment only. This product is not authorized for use in equipment where a higher safety standard and reliability standard is especially required or where a failure of the product is reasonably expected to cause severe personal injury or death, unless the parties have executed an agreement specifically governing such use.
Moreover Würth Elektronik eiSos GmbH & Co KG products are neither designed nor intended for use in areas such as military, aerospace, aviation, nuclear control, submarine, transportation (automotive control, train control, ship control), transportation signal, disaster prevention, medical, public information network etc.. Würth Elektronik eiSos GmbH & Co KG must be informed about the intent of such usage before
the design-in stage. In addition, sufficient reliability evaluation checks for safety must be performed on every electronic component which is used in electrical circuits that require high safety and reliability functions or performance.
I Cautions and Warnings:
The following conditions apply to all goods within the product series of WCAP-ATLL
of Würth Elektronik eiSos GmbH & Co. KG:
1.1 Polarity
An Aluminum Electrolytic Capacitor has a polarity. In operation this polarity needs to be considered and adhered.
Reverse voltage can damage or destroy an Aluminum Electrolytic Capacitor. This can finally lead to a malfunction.
If the polarity in a circuit will be switched or possibly can be reversed, the usage of a non-polar capacitor shall be applied.
The polarity of an Aluminum Electrolytic Capacitor is for THT radial types marked like following.
The terminal with shorter lead wire marks the negative terminal. On the sleeve the negative terminal is marked with a color band and thereon
are minus signs given. For further details see technical drawing on A1 dimensions in this datasheet.
1.2 Overvoltage
Avoid any overvoltage and do not apply a continuous overvoltage. If an overvoltage is applied to the capacitor, the leakage current can increa-
se drastically. The applied working voltage is not allowed to exceed the rated working voltage of the specific capacitor.
1.3 Operating Temperature
The capacitor shall not be operated above the operating temperature, which is stated within this datasheet of the specific capacitor. The
achievable lifetime of the capacitor is correlating to the applied temperature. In order to achieve the maximum lifetime, the capacitor should be
operated by the lowest possible temperature conditions within the application.
1.4 Ripple Current
The applied ripple current shall not exceed the specified maximum ripple current of the capacitor.
If a higher ripple current is applied as permitted, it can cause excessive heat generation and higher temperature inside the capacitor. This
happens due to pole change effects, if ripple current is applied to the capacitor. This can result in damage or lifetime shortage of the capacitor
and may cause deterioration.
Electrolytic capacitors are regularly not designed for usage in AC applications and ripple current is applied / based due to parasitic effects on
DC signal.
Please see electrical specification within this datasheet for maximum allowed ripple current.
1.5 Charge and Discharge
Frequent and quick charge / discharge cycles may generate heat inside the capacitor. In worst case this can cause a decrease of capacitance,
an increase of leakage current or breakdown.
Applications with rapid charge and discharge cycles should be avoided. For assistance with your application please consult our technical sup-
port.
1.6 Vent
On most Aluminum Electrolytic Types types, a predetermined breaking point is given on the top of the component, which is the so called vent.
The vent is there to assure a possible pressure relief and to avoid that the capacitor can explode due to internal pressure, which can occur by
applying reverse voltage or a too high ripple current.
A space of at least 3mm above the vent is recommended, in order to assure the full function of the vent. If less space is present the vent may-
be cannot operate correctly / completely.
1.7 Sleeve
The sleeve material consists of PVC (polyvinyl-chloride). If excessive heat is applied to the sleeve (e.g. soldering process, etc.) the sleeve may
crack or deform.
If the capacitor will be exposed to xylene, toluene or likewise and will be afterwards heated, the sleeve may crack or deform.
The sleeve does not assure any electrical insulation. It is to avoid to use / place the product on a spot where electrical insulation is needed. To
assure electrical insulation, especially to the case of capacitor, further actions need to be taken.
1.8 Storage Conditions
The storage conditions for a capacitor are recommended to be 5 °C up to 35 °C and less than 75 % rel. humidity.
Do not expose the capacitor to environments with hazardous gas, ozone, ultraviolet rays or any kind of radiation. Avoid any contact of the ca-
pacitor with direct sunshine, saltwater, spray of water or types of oil during storage..
If a capacitor is stored for a long time without applying voltage or storage conditions of 35 °C or above and more than 75 % relative humidity,
the leakage current may increase.
The leakage current will return to normal level when applying the rated voltage to the capacitor before use. If the capacitor was stored for mo-
re than 6 months, it is recommended to apply DC working voltage to the capacitor for 30 minutes through a 1 kΩ protective series resistor.
All products shall be used before the end of the period of 12 months based on the product date code, if not a 100 % solderability cannot be
guaranteed. The capacitance tolerance as specified within the datasheet is only valid on the date of delivery.
1.9 Wave Soldering
The detailed soldering instruction is given within Soldering Specification in this datasheet.
During wave soldering only the pins / terminals should have contact with hot solder bath / wave. Assure that no direct contact of capacitor bo-
dy with hot solder bath / wave or any other component will happen. Soldering must be done from the opposite PCB side where capacitor body
is placed.
DESCRIPTION
1.0
REV
2014-11-11
DATE
SSt
BY
PSL
CHECKED
Würth Elektronik eiSos GmbH & Co. KG
EMC & Inductive Solutions
Max-Eyth-Str. 1
74638 Waldenburg
Germany
Tel. +49 (0) 79 42 945 - 0
www.we-online.com
eiSos@we-online.com
WCAP-ATLL Aluminum Electrolytic
Capacitors
Order.- No.
SIZE
A4
860160478035
Size: 13.0 x 35.0
This electronic component has been designed and developed for usage in general electronic equipment only. This product is not authorized for use in equipment where a higher safety standard and reliability standard is especially required or where a failure of the product is reasonably expected to cause severe personal injury or death, unless the parties have executed an agreement specifically governing such use.
Moreover Würth Elektronik eiSos GmbH & Co KG products are neither designed nor intended for use in areas such as military, aerospace, aviation, nuclear control, submarine, transportation (automotive control, train control, ship control), transportation signal, disaster prevention, medical, public information network etc.. Würth Elektronik eiSos GmbH & Co KG must be informed about the intent of such usage before
the design-in stage. In addition, sufficient reliability evaluation checks for safety must be performed on every electronic component which is used in electrical circuits that require high safety and reliability functions or performance.
I Cautions and Warnings (2):
The following conditions apply to all goods within the product series of WCAP-ATLL
of Würth Elektronik eiSos GmbH & Co. KG:
1.10 Hand Soldering
Take care that the tip of solder iron will only contact pins or leadframe of the capacitor to avoid any possible damage of the capacitor.
1.11 Cleaning
Do not wash the assembled capacitors with the following cleaning agents:
•petroleum system solvents: may cause degeneration of the rubber seal material
•alkali system solvents: may cause corrosion and dissolve of the aluminum case
•halogenated solvents: may cause corrosion and failure of the capacitor
•acetone: component marking may be erased
•xylene: may cause deterioration of the rubber seal material
Verify the following points when washing is are applied to capacitors:
•Please monitor conductivity, ph-value, specific gravity and the water content of cleaning agents. Contamination adversely affects these
characteristics.
•Be sure to not expose the capacitors under solvent rich conditions or keep capacitors inside a closed container. In addition, please dry the
solvents on the PCB and the capacitor sufficiently with an air knife (temperature should be less than the maximum rated category tempe-
rature of the capacitor) for 10 minutes.
•Capacitors can be characteristically and catastrophically damaged by halogen ions, particularly by chlorine ions. The degree of the dama-
ge mainly depends upon the characteristics of the electrolyte and rubber seal material. When halogen ions come into contact with the in-
side of the capacitors, the foil may corrode, when a voltage is applied. This corrosion causes an extremely high leakage current, which re-
sults in venting and an open circuit defect.
All other cleaning processes and cleaning agents are not approved by Würth Elektronik eiSos. All cleaning methods need to be tested and vali-
dated by the customer.
1.12 Adhesives and Coating Materials
The usage of any adhesive or coating material, which is containing halogenated solvents, is not allowed.
Before applying adhesives or coating materials, make sure that the following points are fulfilled:
•Take care that the surface and capacitor is dry and clean before applying adhesive or coating, to avoid any contamination with flux residu-
es or cleaning solvents.
•Assure that no flux residue or spot is left between the rubber seal material of the capacitor and the PCB.
•Do not fully cover the entire rubber seal surface with adhesive, coating or molding materials. Otherwise the covering of the full rubber seal
surface may restrain the natural diffusion of hydrogen gas. Block maximum 80% of the sealed section of a capacitor.
•If the used adhesive, coating or molding material is containing halogen ions in a large amount, the halogen ions can diffuse and creep into
the capacitor and can damage the capacitor. Both above explained circumstances can result in serious failures.
•Follow the specified heating and curing instructions given by supplier of the used adhesive or coating material. Avoid excessive pressure
or heat on the capacitor by applying coating or adhesive.
•Take care that hardening of adhesive, coating material was correctly done, so that no solvents do remain.
•Be aware, that used solvents within adhesive and coating materials can damage the sleeve of the capacitor and can result in changes of
the appearance of the sleeve (color, shine and marking).
1.13 Mechanical Stress on lead wire and terminal
Do not stress the capacitor with the following actions:
•Applying any excessive force to the lead wire or terminal.
•Move or turn the capacitor after soldering to the PCB.
•Bending pins after soldering.
•Carrying the PCB by picking / holding the board via a capacitor.
1.14 Operation and Usage of the Capacitor
In operation and usage take care about the following points.
Do not use the capacitor within the following environmental conditions:
•Environment with high mechanical stress / shocks or vibration (please see this specific datasheet for permitted limits).
•Environment with high amount of damp condensation, water or types of oil.
•Direct sunlight, ozone, any kind of radiation or ultraviolet rays.
•Toxic gases (e.g. ammonium, chlorine and compounds, bromine and compounds, hydrogen sulfide, sulfuric acid).
User should never touch the terminals of the capacitor directly.
Avoid short circuit between terminals with any kind of conductive material (e.g. metal, fluid, acid, alkaline solution).
1.15 Maintenance
For industrial applications it is recommended to perform periodic inspections. Power supplies shall be turned off before inspection to dischar-
ge the capacitor. Check the following points in case of an inspection:
•Visual inspection of the capacitor to see, if the vent operated for pressure relief and if any leakage of electrolyte has taken place.
•Measurement of electrical characteristics of the capacitor (according to datasheet, especially leakage current, capacitance and dissipati-
on factor).
In case of deviation or failure according to the specified characteristics, take care to start appropriate actions (e.g. replacement of capacitor).
DESCRIPTION
1.0
REV
2014-11-11
DATE
SSt
BY
PSL
CHECKED
Würth Elektronik eiSos GmbH & Co. KG
EMC & Inductive Solutions
Max-Eyth-Str. 1
74638 Waldenburg
Germany
Tel. +49 (0) 79 42 945 - 0
www.we-online.com
eiSos@we-online.com
WCAP-ATLL Aluminum Electrolytic
Capacitors
Order.- No.
SIZE
A4
860160478035
Size: 13.0 x 35.0
This electronic component has been designed and developed for usage in general electronic equipment only. This product is not authorized for use in equipment where a higher safety standard and reliability standard is especially required or where a failure of the product is reasonably expected to cause severe personal injury or death, unless the parties have executed an agreement specifically governing such use.
Moreover Würth Elektronik eiSos GmbH & Co KG products are neither designed nor intended for use in areas such as military, aerospace, aviation, nuclear control, submarine, transportation (automotive control, train control, ship control), transportation signal, disaster prevention, medical, public information network etc.. Würth Elektronik eiSos GmbH & Co KG must be informed about the intent of such usage before
the design-in stage. In addition, sufficient reliability evaluation checks for safety must be performed on every electronic component which is used in electrical circuits that require high safety and reliability functions or performance.
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Embedded System
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